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Q: the cation of sodium (Na) bonds to the anion of sulfur (S) to form an ionic compound with the…

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Q: How do you draw a Lewis structure for a linear P4 molecule that satisfies the octet rule?

A: Lewis Structure is a  representation of the valence shell electrons in a molecule. It is used to…

Q: How many moles of water are in a snowflake weighing 5.0 X 105 g ? How many of these snowflakes would…

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Q: Balance the chemical reaction! KCl(s) + O2(g) → K₂0) + Cl - 14 What are the coefficients for the…

A: Q 9 ,10,11,12 and 13 are incomplete. because equation 1,2,3,4 and 5 are not given.

Q: НО Н но НО- Н Н H ОН ОН H

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Q: HA is a weak acid. Its ionization constant, Ka, is 2.8×10-13. Calculate the pH of an aqueous…

A: Given concentration of NaA = 0.064 M  First we will calculate the concentration of A- :  NaA (aq)…

Q: Determine the pH change when 0.102 mol KOH is added to 1.00 L of a buffer solution that is 0.400 M…

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Q: Yes No ОН

A: If stable carbocation is formed as a intermediate than this carbocation is not rearrange.  Tertiary…

Q: Which of the following pure substances has the lowest melting point? Group of answer choices LiF…

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Q: (b) The chemical shift of some compounds are as follows 7 -1 Sn4+, 0 mm s -1 Sn (4-coordinate), 2.1…

A: S electron density is proportional to isomershift

Q: HQ حكمة Ho هده

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Q: n a mixture of Br2(g) and Ar(g), the partial pressure of Br2 (g) is 0.815 atm. If the total pressure…

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Q: Solid barium acetate is slowly added to 175 mL of a 0.0500 M sodium carbonate solution. The…

A: Given that conc. of Na2CO3 = 0.0500 M [CO3–2] = 0.0500 M Ksp of BaCO3 = 8.1 × 10–9

Q: would energy shells be pulled closer in Na or Mg? Why?

A: Ionization energy is defined as amount of energy required to remove the most loosely bound electron…

Q: a. HO NH₂ CS2 CISO 3H cat. H+ Cl Et EtOH/ Et3N H₂O S S N Et

A: In this question, we will draw the reaction sequence and intermediate with mechanism you can see all…

Q: Provide reasonable starting materials for the following reagents and products. LDA C=CH

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Q: At what temperature does sulfur tetrafluoride have a density of 0.290 g/L at 0.0721 atm?

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Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…

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Q: Consider the reaction 4 HCI(g) + O₂(g) → 2 H₂O(g) + 2 Cl₂(g) Using the standard thermodynamic data…

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Q: Calculate the pH of a solution that has an ammonium chloride of 0.047 M and an ammonia concentration…

A: According to the question we have, The concentration of the ammonia is given by = [NH3] = 0.054 M…

Q: Write the balanced net-ionic equations for the reaction of: (See flow sheet.) a) 6 M NH4OH(aq) and…

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Q: a Fill in the energy level diagram for yttrium. b. Predict the most common ion charge options for…

A: Atomic number of Yttrium(Y) is 39. So, Y has 39 electrons in its orbitals. The energy level diagram…

Q: 4. Using the phase diagram to the right: wod. abom en Label each phase in the diagram to the right…

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Q: 23 How many moles are there in 8.74 x 10 propane molecules of

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Q: Trimethylamine, (CH3)3N, is a common reagent. It interacts readily with diborane gas, B₂H6. The…

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Q: A bomb calorimeter, immersed in 650.0 grams of water, has a heat capacity of 628 J/°C. When we burn…

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Q: The mass/volume percent concentration refers to     grams of solute in 1 L of solution.     grams…

A: Well, Mass per volume percent is a very important concentration term. The first term Mass designated…

Q: Please resolve this problem if it is correct. Upvote will be given. Answer in 4 decimal places.

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Q: What is the pH of a buffer solution if you have 250 ml of a 1.56M Acetic Acid and you added 26.56…

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Q: What mass of magnesium is required to produce sufficient energy to heat 339 mL of water (density =…

A: We need to find the mass of magnesium required to produce sufficient energy to hear 339 ml water…

Q: a. Draw Lewis structures for the three molecules involved in this reaction: H₂O + CO₂ ---> H₂CO3…

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Q: Consider the reaction: Ca(s) + 2 H₂O(l) → Ca(OH)2 (aq) + H₂(g) -285.83 -1002.82 0 69.95 -74.5 130.7…

A: The change in the enthalpy for the reaction can be determined by the formulae,                  ∆H°r…

Q: For each of the following structures, give a complete name using any acceptable method (common or…

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Q: uggest how you would synthesize each compound, PLEASE use cyclopentanONE (with a ketone…

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Q: High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify…

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Q: Be sure to answer all parts. Enter your answers in scientific notation. The following reactions have…

A: The equallibirium constant can be calculated as:

Q: 4. A voltaic cell consists of a nickel electrode in a solution of nickel (II) ions and a cobalt…

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Q: A solution contains 0.159 M sodium hypochlorite and 0.476 M hypochlorous acid ( K₁ = 3.5 × 10-8).…

A: Given that conc. of NaOCl = 0.159 M conc. of HOCl = 0.476 Ka of HOCl = 3.5 × 10–8 pKa = – logKa = –…

Q: Find all the IR Peak Assignment and NMR Peak Assignment

A: To assign the various IR and NMR peak present in the given NMR spectrum and IR spectrum of C4H8O2.

Q: Suppose that Daniel has a 3.00 L bottle that contains a mixture of O₂, N₂, and CO₂ under a total…

A: Here we have to use ideal gas equation, PV = nRT and partial pressure of a gas = its mole fraction x…

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: A 0.063 M solution of a base has a pH of 11.40. a What are the hydronium and hydroxide ion…

A: we are given pH of solution, we will find out hydronium ion and hydroxide ion concentrations with…

Q: Helium-neon (HeNe) lasers contain a low-pressure mixture of He and Ne gases. speed of He atoms than…

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Q: Gaseous NH3 is placed in a closed container at 33 °C, where it partially decomposes to N₂ and H₂: 2…

A: At equilibrium, the rate of the forward and the reverse reaction is the same and the concentration…

Q: Ethylene glycol (MW=62.0 g/mol) is used as automobile antifreeze. Combustion analysis of a 23.46 mg…

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Q: Which of the following depends on temperature? Group of answer choices Molarity molality percent by…

A: In this question, we will select the most correct option for the property which depends on…

Q: In the laboratory, a general chemistry student measured the pH of a 0.541 M aqueous solution of…

A: Given, pH of Aqueous solution of Hypochlorous acid = 3.875 Concentration of Solution = 0.541 M…

Q: 2. Determine the de Broglie Wavelength in nm an electron (9.11x10-3¹ kg) with a velocity 15.0% of…

A: we are asked to calculate de broglie's wavelength in nm with the given information.

Q: A voltaic cell utilizes the following reaction and operates at 298 K. (a) What is the emf of this…

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Q: Is the reaction product- or reactant-favored?

A: Given : thermodynamic data

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.